Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2020-11503

Severity CVSS v4.0:
Pending analysis
Type:
CWE-787 Out-of-bounds Write
Publication date:
18/06/2020
Last modified:
23/06/2020

Description

A heap-based buffer overflow in the awarrensmtp component of Sophos XG Firewall v17.5 MR11 and older potentially allows an attacker to run arbitrary code remotely.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
9.80
Severity 3.x
CRITICAL
Vector 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
7.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:sophos:sfos:*:*:*:*:*:*:*:* 17.5 (excluding)
cpe:2.3:o:sophos:sfos:17.5:-:*:*:*:*:*:*
cpe:2.3:o:sophos:sfos:17.5:maintenance_release1:*:*:*:*:*:*
cpe:2.3:o:sophos:sfos:17.5:maintenance_release10:*:*:*:*:*:*
cpe:2.3:o:sophos:sfos:17.5:maintenance_release11:*:*:*:*:*:*
cpe:2.3:o:sophos:sfos:17.5:maintenance_release2:*:*:*:*:*:*
cpe:2.3:o:sophos:sfos:17.5:maintenance_release3:*:*:*:*:*:*
cpe:2.3:o:sophos:sfos:17.5:maintenance_release4:*:*:*:*:*:*
cpe:2.3:o:sophos:sfos:17.5:maintenance_release5:*:*:*:*:*:*
cpe:2.3:o:sophos:sfos:17.5:maintenance_release6:*:*:*:*:*:*
cpe:2.3:o:sophos:sfos:17.5:maintenance_release7:*:*:*:*:*:*
cpe:2.3:o:sophos:sfos:17.5:maintenance_release8:*:*:*:*:*:*
cpe:2.3:o:sophos:sfos:17.5:maintenance_release9:*:*:*:*:*:*
cpe:2.3:h:sophos:xg_firewall:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools